Unfortunately these drivers are Windows/Linux only. I need OS X. Sure I can build them from source but I will only do that as a last resort. A few days ago I purchased a driver from Actualtechologi es for OS X and that driver doesn't work with UNICODE UTF-8.

Thanks for the response anyway.

I have a PostgreSQL database encode in UTF-8. I try to do a mail merge from OOwriter. This seems to work except for non western characters. E.g. when I access the database from pgAdmin, a GUI client I can see all UTF-8 encoded characters. When I cut a text from the GUI and paste this text in OOwriter everything works well. The same text through a mail merge only shows question marks. An example:
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